Same-day shipping on orders before 3PM CST · 15,000+ OEM Parts In Stock · Carrier · Bryant · ICP · Heil · Tempstar

Menu

Home Shop All Account Cart
Home / OEM Carrier Contactor for Model HA1AJ...
OEM Carrier Contactor for Model HA1AJX036000AAAA Condenser Unit
Carrier

OEM Carrier Contactor for Model HA1AJX036000AAAA Condenser Unit

SKU: carrier-contactor-ha1ajx036000aaaa Brand: Carrier
$34.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

OEM Carrier Contactor for Model HA1AJX036000AAAA Condenser Unit

This OEM Carrier contactor is the factory-spec replacement for the HA1AJX036000AAAA 3-ton air conditioner. The contactor is the high-voltage relay that energizes the compressor and condenser fan motor whenever your thermostat calls for cooling. Pitted, burned, or chattering contacts are one of the most common causes of an outdoor unit that won't start or buzzes without running. This direct-fit contactor matches the original coil voltage, pole configuration, and amperage rating, so it installs without rewiring. Installation is rated easy for a qualified tech: disconnect power, photograph the wiring, transfer leads one at a time to the new contactor, and remount. It's smart preventive maintenance to replace a worn contactor along with the run capacitor. Built to Carrier's original specification for dependable, arc-resistant switching over years of cycles. In stock and ships same-day on orders placed before 3PM CST, so you avoid a long no-cool stretch. Contact our HVAC parts experts if you'd like help confirming pole count and coil voltage for your unit.

Compatibility

This part is compatible with Carrier model HA1AJX036000AAAA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier Model HA1AJX036000AAAA Condenser Unit?
Yes. This is the factory-specified OEM contactor for the Carrier Model HA1AJX036000AAAA Condenser Unit. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the contactor on my Carrier Model HA1AJX036000AAAA Condenser Unit?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Open condensing unit panel. Step 3: Photograph ALL wiring on the contactor. Step 4: Label each wire with tape. Step 5: Disconnect wires and remove old contactor. Step 6: Mount new contactor, reconnect wires matching your photo. Step 7: Restore power and test.
My AC clicks but the compressor won’t turn on. What’s wrong?
Clicking from the outdoor unit without the compressor starting = worn contactor. The contactor sends power to the compressor. When its contacts are pitted, it clicks but can’t make solid contact. Look for: visible pitting/burn marks on the contactor face, intermittent operation, or buzzing.
Is this contactor compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier contactor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
Home Shop Search Account Cart